/**
 * #      LCP 04
 * 名称   覆盖
 * 链接   https://leetcode-cn.com/problems/broken-board-dominoes
 * 题解   [44](https://leetcode-cn.com/problems/broken-board-dominoes/solution)
 * 通过率 35.9%
 * 难道   困难
 */

